Fix a bug that disabled Bmi1/2.X64
Fix a bug that disabled Bmi1/2.X64

poizan42/coreclr,poizan42/coreclr,mmitche/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,mmitche/coreclr,krk/coreclr,krk/coreclr,cshung/coreclr,poizan42/coreclr,cshung/coreclr,krk/coreclr,mmitche/coreclr,mmitche/coreclr,cshung/coreclr,mmitche/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,cshung/coreclr,poizan42/coreclr,krk/coreclr,wtgodbe/coreclr,cshung/coreclr,krk/coreclr,krk/coreclr,poizan42/coreclr,cshung/coreclr,poizan42/coreclr,mmitche/coreclr